3744727646 has 16 divisors (see below), whose sum is σ = 6325406208. Its totient is φ = 1647240600.

The previous prime is 3744727639. The next prime is 3744727663. The reversal of 3744727646 is 6467274473.

It is a happy number.

3744727646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3744727594 and 3744727603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744720 + ... + 2746083.

It is an arithmetic number, because the mean of its divisors is an integer number (395337888).

Almost surely, 2^3744727646 is an apocalyptic number.

3744727646 is a deficient number, since it is larger than the sum of its proper divisors (2580678562).

3744727646 is a wasteful number, since it uses less digits than its factorization.

3744727646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490847.

The product of its digits is 4741632, while the sum is 50.

The square root of 3744727646 is about 61194.1798376283. The cubic root of 3744727646 is about 1552.8878034916.

The spelling of 3744727646 in words is "three billion, seven hundred forty-four million, seven hundred twenty-seven thousand, six hundred forty-six".